Question 12.25: A steam power plant equipped with regenerative as well as re...
A steam power plant equipped with regenerative as well as reheat arrangement is supplied with steam to the H.P. turbine at 80 bar 470°C. For feed heating, a part of steam is extracted at 7 bar and remainder of the steam is reheated to 350°C in a reheater and then expanded in L.P. turbine down to 0.035 bar. Determine :
(i) Amount of steam bled-off for feed heating,
(ii) Amount of steam supplied to L.P. turbine,
(iii) Heat supplied in the boiler and reheater
(iv) Cycle efficiency, and
(v) Power developed by the system.
The steam supplied by the boiler is 50 kg/s.
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